package com.kn.order.service;

import com.kn.common.model.R;
import com.kn.order.model.Extra;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletResponse;
import java.util.List;

public interface ExtraService {
/*    R add(Extra extra);
    R delete(Long id);

    R save(MultipartFile file, Extra extra) ;

    List<Extra> listall(Long orderid);

    R downloadFile(HttpServletResponse response, Long id) ;*/
}
